[time-nuts] HP 4193A 4815A probe compatibility

Bob Camp lists at rtty.us
Fri Oct 18 22:10:07 UTC 2013


Hi

The gotcha is that a true thermal converter takes care of a bunch of odd issues. Other approaches really don't cover all the bases.

How any of this relates to TimeNuts is a bit beyond me ...

Bob

On Oct 18, 2013, at 1:12 PM, Al Wolfe <alw.k9si at gmail.com> wrote:

> There are many detector chip out there. The venerable AD8307 with greater than 80 db dynamic range goes from almost DC to 700 mhz. Linear Technology has several currently listed. Their LTC5508 covers 300 to greater than 7 GHz.
> 
> Al
> 
> 
>> On Oct 17, 2013, at 3:38 PM, Richard Karlquist <richard at karlquist.com> wrote:
>> 
>>> If you are below 80 MHz, Linear Technologies makes a thermal power meter
>>> on a chip.
>> 
>> Alas, the LT1088 is no longer made.
>> 
>> http://www.linear.com/product/LT1088
>> 
>> Best regards,
>> -Steve
>> 
>> -- 
>> Steve Byan <stevebyan at me.com>
>> Littleton, MA 01460
> 
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